Aus Erbschaft Telefunken Rundfunk Service 1961/62 4 Seiten mit Gebrauchsspuren siehe Fotos Privatverkauf

Aus Erbschaft Telefunken Rundfunk Service 1961/62 4 Seiten mit Gebrauchsspuren siehe Fotos Privatverkauf

You are bidding for 2 pieces rare RV271A power triode tubes from Telefunken. Purchased time ago for the project which newer started. Tubes have similar print out and close production codes 1924/0548/1 and 1803/4547/1. Tubes have been tested on Funke W19 tube tester in accordance to 2011 test card settings. Both tubes have identical test result of 46 mA, there good starts from 36 mA. Tubes have been tested also from laboratory power supply. 600V plate and fixed bias with 30V and 40V negative polarisation for each one.Tested results visible on photos:104/65mA & 101/62mA. Great close matched tubes! Check actual photos for details. Tubes were not powered for long time and results can drift in real circuit. I listed DIY made socket pair on my other auction. Private selling. I’ll prepare good package and post worldwide, but will not assuming responsibility for tube damage during postage due age and gently specific. Payment should be done within 3 days. Bid accordingly with posted above. Contact seller for any questions. Check my other power tube auctions. Happy bidding. Dont loose opportunity. You can see buyer respond about previous sold RV271A between my feedbacks.

You are bidding for 2 pieces DIY made sockets suitable for RV271 & RV271A tubes. Sockets can be used for RS282 as well with removing one pin between filament terminals. Note: tube is not included to this auction! Private selling. I’ll prepare good package and post worldwide, but will not assuming responsibility for tube damage during postage due age and gently specific. Payment should be done within 3 days. Bid accordingly with posted above. Contact seller for any questions. Check my other power tube auctions. Happy bidding. Dont loose opportunity. You can see RV271A tubes on sale at my other auction.